대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)
- 대한전자공학회 1999년도 추계종합학술대회 논문집
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- Pages.283-286
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- 1999
최적화된 나선형 인덕터를 이용한 이동 통신용 저잡음. 저전력 2㎓ CMOS VCO 설계에 관한 연구
A 2㎓, Low Noise, Low Power CMOS Voltage-Controlled Oscillator Using an Optimized Spiral Inductor for Wireless Communications
초록
A 2㎓, low noise, low power CMOS voltage-controlled oscillator (VCO) with an integrated LC resonator is presented. The design of VCO relies heavily on the on-chip spiral inductor. An optimized spiral inductor with Q-factor of nearly 8 is achieved and used for the VCO. The simulated result of phase noise is as low as -l14 ㏈c/Hz at an offset frequency of a 600KHz from a 2㎓ carrier frequency. The VCO is tuned with standard available junction capacitors, resulting in an about 400MHz tuning range (20%). Implemented in a five-metal 0.25
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